| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at a [noun] | 4051 |
|
| 2 | [noun sg] at a [noun sg] | 3728 |
|
| 3 | [noun sg] at [art] time | 2741 |
|
| 4 | [noun] at a time | 1497 |
|
| 5 | [noun sg] [prep] a time | 1160 |
|
| 6 | [noun sg] [prep] a time | 1160 |
|
| 7 | [noun sg] at a time | 912 |
|
| 8 | [noun sg] at a time | 912 |
|
